Let A = 1, 5, 7, 8, 9 and B = a, g, h, 4, 3, 8, 9. Find the intersection of sets A and B.
1) 1, 5, 7, 8, 9, a, g, h, 4, 3
2) 1, 5, 7, 8, 9, a, g, h, 4, 3
3) 8, 9
4) 8, 9
5) 1, 5, 7, 8, 9, a, g, h, 4, 3, 8, 9